What is an OBD-II diagnostic trouble code (DTC)?

An OBD-II diagnostic trouble code (DTC) is a standardized alphanumeric code generated by your vehicle's onboard diagnostic system when it detects a malfunction in the engine, transmission, emissions system, or other monitored components. DTC codes follow the format P, C, B, or U followed by four digits (e.g., P0301). The first character indicates the system: P codes are powertrain issues (engine, transmission), C codes are chassis problems (brakes, steering), B codes indicate body system faults (lights, windows), and U codes are network communication errors. Understanding DTC codes helps technicians quickly diagnose vehicle problems and determine appropriate repair solutions.

How do I read and interpret a DTC code?

DTC codes are structured with five characters. The first character indicates the system: P (powertrain), C (chassis), B (body), or U (network). The second digit specifies the subsystem: 0 for manufacturer-specific, 1 for emissions-related. The third digit identifies the component or system type (e.g., fuel system, ignition, transmission). The fourth and fifth digits pinpoint the specific malfunction. For example, P0301 means a powertrain code for cylinder 1 misfire. ProCarManuals provides detailed explanations for each DTC code, including the affected system, likely causes, and recommended repair procedures. Understanding code structure helps you quickly assess problem severity and decide whether professional service is needed.

What's the difference between a hard fault and a soft fault?

A hard fault (hard DTC) is a persistent malfunction that consistently triggers fault codes every time the vehicle operates. Hard faults indicate serious problems like failing sensors, broken connectors, or damaged components requiring immediate repair. A soft fault (intermittent DTC) triggers codes sporadically when specific conditions occur, then clears without permanent damage. Soft faults are often more difficult to diagnose because they disappear before repair attempts. Both types activate the check engine light, but hard faults are more urgent. ProCarManuals helps you understand which faults are critical and which may clear temporarily. Using diagnostic equipment to pull DTC codes and understand their frequency helps determine problem severity.

What should I do when my check engine light comes on?

When your check engine light illuminates, use a diagnostic scanner to pull OBD-II DTC codes. First, note the code(s) displayed and search our ProCarManuals DTC database for detailed information. Determine if the problem requires immediate attention: severe codes like misfire, fuel system failure, or transmission faults need urgent repair, while minor codes like oxygen sensor issues may wait. Check for obvious problems like loose gas caps (which can trigger codes). If driving feels normal and only a minor code appears, you can continue to a repair facility. Severe drivability issues, strange noises, or multiple codes indicate immediate professional service is needed. Never ignore the check engine light for extended periods.

Can I clear DTC codes myself?

Yes, you can clear DTC codes using a diagnostic scanner connected to your vehicle's OBD-II port, typically located under the dashboard. Many auto parts stores offer free code reading and clearing. However, clearing codes without addressing the underlying problem is temporary—codes will return when the fault condition reoccurs. Some codes (pending codes) may clear automatically after several drive cycles without the fault occurring again. Never clear codes immediately before a vehicle inspection or emissions test, as this is fraudulent. Use code clearing strategically: after making repairs, clear codes and verify they don't return. ProCarManuals helps you understand whether codes indicate serious problems requiring professional repair or minor issues that may self-correct.

What are the most common P-codes and their meanings?

Common powertrain (P) codes include: P0101 (Mass Air Flow sensor range/performance), P0128 (Coolant thermostat malfunction), P0171 (System too lean), P0300 (Random/multiple cylinder misfire), P0301-P0306 (Specific cylinder misfire), P0420 (Catalyst system efficiency below threshold), P0500 (Vehicle speed sensor malfunction), P0601 (Internal control module memory check sum error), and P0700 (Transmission control system malfunction). Engine-related P-codes are the most frequently encountered. Mass airflow sensor faults often trigger multiple symptoms like rough idle and reduced fuel economy. Misfire codes indicate combustion problems requiring attention quickly to prevent catalytic converter damage. Catalyst codes suggest emission system problems. ProCarManuals provides comprehensive P-code listings with detailed explanations and repair procedures for your specific vehicle make and model.

What do C-codes indicate and how are they different from P-codes?

Chassis (C) codes indicate problems in vehicle systems outside the powertrain: brakes, steering, suspension, and ABS (anti-lock braking system). Examples include C0040 (ABS sensor circuit malfunction), C0100 (ABS module fault), and C0220 (Rear wheel speed sensor circuit). Unlike P-codes affecting engine operation, C-codes typically don't prevent the vehicle from starting but can affect safety and handling. ABS fault codes indicate the anti-lock system is disabled and brakes operate in normal mode without ABS assistance. Steering angle sensor faults (common C-codes in modern vehicles) affect stability control and power steering. Suspension codes indicate sensor or component failures affecting vehicle dynamics. ProCarManuals provides detailed C-code information for your vehicle, helping you understand which chassis faults are critical for safety versus minor issues.

Where can I find DTC codes for my specific vehicle?

ProCarManuals provides comprehensive OBD-II DTC databases organized by vehicle make, model, and year. Our system covers all major manufacturers: BMW, Acura, Honda, Toyota, Ford, Chevrolet, Mercedes, Audi, Volkswagen, Nissan, and many others. Use our search feature to find DTC codes by vehicle information or code number. We provide separate listings for powertrain (P), chassis (C), body (B), and network (U) codes. Each code entry includes the fault description, affected system, likely causes, and repair procedures specific to your vehicle. Our organized, make-and-model-specific database prevents confusion and ensures accuracy. If you can't find your vehicle, contact our support team for assistance with specific code interpretation.

How do transmission fault codes differ from engine codes?

Transmission fault codes are typically P-codes in the P0700-P0800 range indicating gearbox malfunctions: P0700 (Transmission control system malfunction), P0711 (Transmission fluid temperature sensor), P0715 (Input/output speed sensor), P0730 (Incorrect gear ratio), and P0740 (Torque converter circuit malfunction). Unlike engine codes affecting combustion, transmission codes indicate shifts, pressure control, or sensor problems. A single transmission code may prevent the vehicle from shifting properly, entering limp mode (limited operation at reduced power). Some transmission faults trigger severe drivability issues requiring immediate repair to prevent transmission damage. Other transmission codes may clear after service resets. ProCarManuals provides detailed transmission DTC explanations and repair procedures for specific gearbox models (automatic, manual, CVT) in your vehicle.

What are emissions-related codes and why are they important?

Emissions-related codes (flagged by the second digit '1' in P-codes like P0171, P0420) indicate problems affecting exhaust emissions and environmental pollution control. Common emissions codes include P0171/P0174 (System too lean/rich), P0420 (Catalyst system efficiency), and P0440 (Evaporative emission control system malfunction). These codes directly impact your vehicle's ability to pass emissions testing and environmental regulations. Emissions problems often don't produce obvious symptoms but can reduce fuel economy and performance. Catalyst codes (P0420, P0430) warn of catalytic converter problems—expensive components that must be repaired to pass inspections. Oxygen sensor faults trigger emissions codes and fuel economy issues. ProCarManuals helps you understand which codes are emissions-critical for inspection compliance versus minor issues. Address emissions codes promptly to maintain environmental standards and inspection compliance.

Can I diagnose and fix DTC codes myself or do I need professional service?

Some DTC codes indicate simple fixes you can perform yourself: loose gas caps trigger P0440, damaged connectors can cause multiple codes, blown fuses affect specific systems. Many DIYers successfully diagnose and repair sensor codes and connector problems using ProCarManuals guides and a basic diagnostic scanner. However, complex codes requiring specialized equipment, software, or deep technical knowledge need professional service. Engine computer reprogramming, transmission relearning procedures, and precision sensor replacement often require dealer-level diagnostics. Misfire codes may need compression testing. Catalytic converter issues need professional assessment. Evaluate your technical skill level and available tools before attempting repairs. ProCarManuals helps you understand code severity and whether DIY repair is feasible. Serious codes (transmission, catalytic converter, multiple misfires) warrant professional diagnosis to prevent costly damage.

Cummins, DTC Fault Codes

Cummins Engine Fault Codes list

By Todd Mitchell

On: Wednesday, November 22, 2023 8:46 PM

Cummins Fault Codes list for QSB, QSC, QSL9, QSM11, QSX15, QSK19, QSK23, QST30, QSK45, QSK60, QSK78 engines

To determine the malfunction, you just need to write out the fault code from the device in the cab and find the codes in the table by selecting your own engine type.

FAULT CODE (LAMP)	SID, PID FMI	SPN IMF	DESCRIPTION
111 Red	S254 12	629 12	Engine control Unit-critical internal error
112 Red	S020 7	635 7	The injection syncer does not respond to the commands of the control unit
113 Yellow	S020 3	635 3	Injection timing chain-short circuit
114 Yellow	S020 4	635 4	Injection synchronisation chain-chain break
115 Red	P190 2	190 2	Circuit of the speed sensor and the position of the crankshaft-no two signals from the sensor
116 Red	P156 3	156 3	Circuit of the pressure sensor in the highway control the angle of fuel injection-short circuit
117 Red	P156 4	156 4	Circuit of the pressure sensor in the line of control of the fuel injection lead angle-chain breakage
118 Yellow	P135 3	135 3	Circuit of the fuel pressure sensor in the fuel pump-short circuit
119 Yellow	P135 4	135 4	Circuit of the fuel pressure sensor in the fuel pump-breakage of a chain
121 Yellow	P190 10	190 10	Circuit of the speed sensor and the position of the crankshaft-the absence of one of the two sensor signals
122 Yellow	P102 3	102 3	Pressure sensor in Inlet manifold № 1-Short circuit
123 Yellow	P102 4	102 4	Pressure sensor in the inlet manifold № 1-chain breakage
124* Yellow		102 16	High pressure in inlet manifold (left row of cylinders)
125* None		102 18	Low pressure in inlet manifold (left row of cylinders)
126* Yellow		1129 16	High pressure in inlet manifold (right row of cylinders)
127* None		1129 18	Low pressure in inlet manifold (right row of cylinders)
128* None		1129 3	Pressure sensor in Inlet manifold (right row of cylinders)-Short circuit
129* None		1129 4	Pressure sensor in Inlet manifold (right row of cylinders)-chain breakage
131 Red	P091 3	91 3	Accelerator pedal position sensor circuit-short circuit
132 Red	P091 4	91 4	Accelerator pedal position sensor chain-chain breakage
133 Red	P029 3	974 3	Sensor Circuit of the remote accelerator pedal-short circuit
133 Red	P029 3	29 3	Sensor Circuit of the remote accelerator pedal-short circuit
134 Red	P029 4	974 4	Circuit of the position sensor of the remote accelerator pedal-chain breakage
134 Red	P029 4	29 4	Circuit of the position sensor of the remote accelerator pedal-chain breakage
135 Yellow	P100 3	100 3	Engine oil pressure sensor circuit-short circuit
136* None		1028 3	System Oil pressure sensor chain Prelube -Short Circuit
137* None		1028 4	System Oil pressure sensor chain Prelube -Chain breakage
141 Yellow	P100 4	100 4	Chain of the oil pressure sensor in the engine-chain breakage
143 Yellow	P100 1	100 18	Low oil pressure in the engine
143 White	P100 1	100 1	Low oil pressure in the engine
144 Yellow	P110 3	110 3	Coolant temperature sensor circuit-short circuit
145 Yellow	P110 4	110 4	Coolant temperature sensor chain-chain break
146 Yellow	P110 0	110 16	High coolant temperature
147 Red	P091 8	91 8	Accelerator pedal position sensor circuit-low frequency
148 Red	P091 8	91 8	Accelerator pedal position sensor chain-high frequency
151 Red	P110 0	110 0	Dangerously high coolant temperature
151 White	P110 0	110 0	Dangerously high coolant temperature
153 Yellow	P105 3	105 3	№ 1 temperature sensor circuit in inlet manifold-short circuit
154 Yellow	P105 4	105 4	№ 1 temperature sensor chain in inlet manifold-chain breakage
155 Red	P105 0	105 0	Dangerously high air temperature in the inlet manifold
155 White	P105 0	105 0	Dangerously high air temperature in the inlet manifold
156* Yellow		1131 3	Rear temperature sensor in inlet manifold (left row)-Short circuit
157* Yellow		1131 4	Rear temperature sensor in inlet manifold (left row)-chain breakage
158* White		1131 0	High air temperature in inlet manifold (rear sensor, left row of cylinders)
159* Yellow		1132 3	Rear temperature sensor in inlet manifold (right row)-short circuit
161* Yellow		1132 4	The front temperature sensor in the inlet Collector (right row)-chain breakage
162* White		1132 0	High air temperature in inlet manifold (front sensor, right row of cylinders)
163* Yellow		1133 3	Rear temperature sensor in inlet manifold (right row)-short circuit
164* Yellow		1133 4	Rear temperature sensor in inlet manifold (right row)-chain breakage
165* White		1133 0	High air temperature in inlet manifold (rear sensor, right row of cylinders)
166 Yellow	S024 3	733 3	№ sensor chain 1 position of the fuel pump -Short Circuit
172 Red	S023 6	638 6	№ sensor chain 1 position of the fuel pump
173 Yellow	S023 7	638 7	Mechanical jamming of the fuel pump
184 Yellow	S233 2	609 2	Misuse of electronic engine control unit
185 Yellow	S231 2	639 2	Failed to communicate with engine control unit
187 Yellow	S232 4	620	Low voltage on the № Line 1 power supply sensors of the engine control unit
211 None	S216 11	1484 31	Fault codes detected in other control units were found. Verification is required.
211* None		613 14	Fault codes detected in other control units were found. Verification is required.
212 Yellow	P175 3	175 3	Engine oil temperature sensor circuit-short circuit
212* Yellow	P175 3	175 3	Engine oil temperature sensor circuit-short circuit
213 Yellow	P175 4	175 4	Circuit of the oil temperature sensor in the engine-chain breakage
213* Yellow		175 4	Circuit of the oil temperature sensor in the engine-chain breakage
214 Red	P175 0	175 0	Dangerous High Temperature of engine oils
214* White		175 0	Dangerous High Temperature engine oils
219 Maint.	P17 1	1380 17	Low oil level in oil tank system Centinel
219 White	P17 1	1380 1	Low oil level in oil tank system Centinel
221 Yellow	P108 3	108 3	Atmospheric pressure sensor circuit-short circuit
222 Yellow	P108 4	108 4	Atmospheric pressure sensor circuit-chain breakage
223 Yellow	S085 4	1265 4	Oil supply valve chain for combustion system Centinel -Chain breakage
225 Yellow	S086 4	1266 4	Valve CHAIN Oil Addition system Centinel -Chain breakage
227 Yellow	S232 3	620 3	High voltage on the № Line 2 power supply sensors of the engine control unit
231 Yellow	P109 3	109 3	Cooling liquid pressure sensor circuit-short circuit
232 Yellow	P109 4	109 4	Cooling liquid pressure sensor chain-chain breakage
233 Yellow	P109 1	109 18	Low coolant pressure
233 White	P109 1	109 1	Low coolant pressure
234 Red	P190 0	190 0	Dangerous high engine speed
235 Red	P111 1	111 1	Dangerous low coolant level
235 White	P111 1	111 1	Dangerous low coolant level
237 Yellow	S030 2	644 2	Multiengine synchronization-Incorrect external speed data
241 Yellow	P084 2	84 2	Speed sensor circuit-incorrect data
242 Yellow	P084 10	84 10	Speed sensor-evidence tampering detected
243 Yellow	P121 4	513 4	Motor Brake № 1 Drive-Chain break
245 Yellow	S033 4	647 4	Fan drive coupling chain-chain breakage
252 Yellow	P098 2	98 2	№ sensor chain 1 oil level in the engine-incorrect data
253 White	P098 1	98 1	№ Sensor 1 Oil level in the engine-dangerous low oil level
254 Red	S017 4	632 4	Fuel cut-off valve chain-chain breakage
254 None	S017 4	632 4	Fuel cut-off valve chain-chain breakage
255 Yellow	S017 3	632 3	Fuel cut-off valve circuit-short circuit
259 Red	S017 7	632 7	Fuel cut-off valve-jamming in open position
261 Yellow	P174 0	174 16	High fuel temperature
263 Yellow	P174 3	174 3	Fuel temperature sensor circuit-short circuit
264 Yellow	P174 11	174 11	Fuel temperature sensor circuit-incorrect data
265 Yellow	P174 4	174 4	Fuel temperature sensor circuit-chain breakage
268 Yellow	P094 2	94 2	Fuel pressure sensor circuit-incorrect data
271 Yellow	S126 4	1347	Control valve Circuit № 1 high Fuel pressure-chain breakage
272 Yellow	S126 3	1347 3	№ 1 high-pressure monitoring valve chain-short circuit
273 Yellow	S127 4	1348 4	№ 2 high-pressure control valve chain-chain breakage
274 Yellow	S127 3	1348 3	№ 2 high-pressure monitoring valve chain-short circuit
275 Yellow	S126 7	1347 7	Injection VALVE № 1 fuel pump-mechanical seizing
276 Yellow	S018 3	633 3

FAULT CODE (LAMP)	SID, PID FMI	SPN IMF	DESCRIPTION
277 Yellow	S018 7	633 7	Fuel dosing valve/UOV regulation-Mechanical seizing
278 Yellow	P073 11	1075 11	Booster pump control circuit-short circuit/chain breakage
279 Yellow	S018 4	633 4	Fuel dosage valve Chain/uov regulation-chain breakage
281 Yellow	S126 7	1347 7	Control Valve № 1 High-pressure fuel-mechanical seizing
282 Yellow	S127 7	1348 7	Control Valve № 2 High-pressure fuel-mechanical seizing
283 Yellow	S221 3	1043 3	Power supply circuit of the speed/position sensor Pistons Engine-Short circuit
284 Yellow	S221 4	1043 4	Power supply circuit of the engine pistons/position-chain break
285 Yellow	S231 9	639 9	No response from the device transmitted on the bus J1939
286 Yellow	S231 13	639 13	Incorrect transmission of J1939 data from the device to the bus
287 Red	P091 2	91 19	Incorrect data transmission on the J1939 bus from the pedal position sensor
288 Red	P029 2	974 19	Incorrect data transmission on the J1939 bus from the position sensor of the remote pedal
292 White	P223 14	1083 14	Additional temperature sensor № 1-Dangerous high readings
293 Yellow	S441 3	441 3	Additional temperature sensor № 1-Short circuit
293 Yellow	S223 3	1083 3	Additional temperature sensor № 1-Short circuit
293 Yellow	S154 3	1083 3	Additional temperature sensor № 1-Short circuit
294 Yellow	S441 4	441 4	Additional temperature sensor № 1-chain break
294 Yellow	P223 4	1083 4	Additional temperature sensor № 1-chain break
294 Yellow	S154 4	1083 4	Additional temperature sensor № 1-chain break
295 Yellow	P108 2	108 2	Atmospheric pressure sensor circuit-incorrect data
296 Red	P223 14	1837 14	Additional pressure sensor № 2-Dangerous high readings
296 White	P223 14	1084 14	Additional pressure sensor № 2-Dangerous high readings
297 Yellow	P223 3	1387 3	Additional pressure sensor № 2-Short circuit
297 Yellow	P223 3	1084 3	Additional pressure sensor № 2-Short circuit
298 Yellow	P223 4	1387 4	Additional pressure sensor № 2-chain break
298 Yellow	P223 4	1084 4	Additional pressure sensor № 2-chain break
299 None	S117 14	1384 31	Force Stop Engine
299 Yellow	S117 11	1384 31	Force Stop Engine
311 Yellow	S001 6	651 6	Circuit of the control valve of the nozzle № 1-a circuit on a weight
312 Yellow	S005 6	655 6	Circuit of the control valve of the nozzle № 5-circuit on mass
313 Yellow	S003 6	653 6	Circuit of the control valve of the nozzle № 3-a circuit on a weight
314 Yellow	S006 6	656 6	№ Nozzle Control Valve Chain 6-circuit to Mass
315 Yellow	S002 6	652 6	№ Nozzle Control Valve CHAIN 2-circuit to Mass
316 Yellow	S078 3	931 3	Chain Actuator Toplivopodajushhego Pump-Short circuit
318 Yellow	S078 7	931 7	Actuator Toplivopodajushhego Pump-Mechanical seizing
319 Maint.	P251 2	251 2	Clock electronic engine control unit-power loss
321 Yellow	S004 6	654 6	Circuit of the control valve of the nozzle № 4-circuit to the mass
322 Yellow	S001 5	651 5	Circuit of the control valve of the nozzle № 1-breakage of a chain
323 Yellow	S005 5	655 5	Circuit of the control valve of the nozzle № 5-breakage of a chain
324 Yellow	S003 5	653 5	Circuit of the control valve of the nozzle № 3-breakage of a chain
325 Yellow	S006 5	656 5	№ Nozzle Control Valve chain 6-chain breakage
328 Yellow	S152 7	1348 7	Injection VALVE № 2 pump-mechanical seizing
329 Yellow	S233 14	1077 14	Disruption of fuel system-fuel flow
331 Yellow	S002 5	652 5	№ Nozzle Control Valve CHAIN 2-chain breakage
332 Yellow	S004 5	654 5	Circuit of the control valve of the nozzle № 4-breakage of a chain
341 Yellow	S253 2	630 2	Electronic engine control unit-data loss
342 Red	S253 13	630 13	Electronic engine control Unit-Calibration error
343 Yellow	S254 12	629 12	Electronic engine control Unit-Internal device error
346 Yellow	S253 12	630 12	Electronic engine Control Unit-Internal program error
349 Yellow	P191 0	191 16	Transmission output shaft (rowing shaft)-High speed
349 Yellow	P191 0	191 0	Transmission output shaft (rowing shaft)-High speed
352 Yellow	S232 4	1079 4	Breakage of the line № 1 power supply of sensors of the engine control unit
361 Red	S251 3	1076 3	Fuel Control Valve circuit-short
362 Yellow	S251 4	1076 4	Fuel Control valve chain-chain breakage
363 Yellow	S251 7	1076 7	Control valve Fuel-mechanical seizing
364 Yellow	S233 9	1077 9	Pump control Unit-CAN connection error
365 Yellow	S233 4	1077 4	Fuel pump control unit, power supply chain-break chain
366 Yellow	S233 2	1077 2	Pump control unit, power supply circuit-incorrect data
367 Yellow	P190 11	1078 11	Pump control Unit-Injection angle correction sensor error
368 Yellow	S254 8	1078 8	Pump control Unit-Injection Angle selection Error
369 Yellow	P190 2	1078 2	Pump Control Unit-Sync error
372 Yellow	S233 11	1077 11	Pump control Unit-failure to identify idle stroke
373 Red	S233 3	1077 3	Pump control Unit-error of control valve termination fuel
374 Yellow	S233 12	1077 12	Pump control unit-Self-diagnosis error
375 Yellow	S254 2	629 2	Pump Control Unit-Calibration error
376 Yellow	S233 13	1077 13	Pump control unit-mismatch fuel or engine speed
377 Yellow	S233 7	1077 7	Pump control Unit-Freeze relay
378 Yellow	S018 5	633 5	Chain Actuator Fuel № 1-chain breakage
379 Yellow	S018 6	633 6	Chain Actuator Fuel № 1-circuit to Mass
381 Yellow	S237 11	626 11	Relay № 1 Air heater in inlet manifold-incorrect data
382 Yellow	S237 11	626 11	Relay № 2 Air heaters in the inlet Collector-Incorrect data
384 Yellow	S237 11	626 11	Installation of air injection-a failure in the control circuit
385 Yellow	S232 11	620 3	Consumer sensor power supply circuit-short circuit
386 Yellow	S232 3	1079 3	Circuit № 1 Power sensor engine-short circuit
387 Yellow	S221 3	1043 3	Accelerator pedal position Sensor power supply circuit-short circuit
389 Yellow	S033 11	647 11	Fan Clutch chain failure
391 Yellow	S017 11	632 11	Failure in the power supply circuit of the shutdown valve fuel
391 Yellow	S017 11	632 11	Failure in the power supply circuit of the shutdown valve fuel
394 Yellow	S020 5	635 5	Chain Actuator № Injection Angle 1-chain break
395 Yellow	S020 6	635 6	Chain Actuator Angle of injection № 1-circuit to Mass
396 Yellow	S083 5	1244 5	Chain Actuator Fuel № 2-chain breakage
397 Yellow	S083 6	1244 6	Chain Actuator Fuel № 2-circuit to the mass
398 Yellow	S084 5	1245 5	Chain Actuator № Injection Angle 2-chain break
399 Yellow	S084 6	1245 6	Chain Actuator Angle of Injection № 2-circuit to Mass
414* Yellow	S250 9	608 9	Communication Error j1587
415 Red	P100 1	100 1	Dangerous low oil pressure in the engine
415 Level1	P100 1	100 1	Dangerous low oil pressure in the engine
418 WIF/Maint.	P097 0	97 15	High water level in fuel filter-maintenance required
419 Yellow		1319 2	Inlet pressure-imbalance
422 Yellow	P111 2	111 2	Coolant level sensor chain-incorrect data
423 Yellow	P156 2	156 2	Control pressure or solenoid stick in the Aktuatore Uov
426 None	S231 2	639 2	J1939 data Bus-inability to transfer data
426* None		639 2	J1939 data Bus-inability to transfer data
427 None	S231	639 9	J1939 data Bus-not fast enough
428 None	P097 3	97 3	Water sensor circuit in fuel-short circuit
429 Yellow	P097 4	97 4	Circuit of the presence of water in the fuel-breakage of a chain
431 Yellow	S230 2	558 2	Accelerator pedal sensor circuit-incorrect data
431 Yellow	P091 2	91 2	Accelerator pedal sensor circuit-incorrect data
432 Red	S230 13	558 13	Accelerator pedal sensor Circuit-calibration error
432 Red	P091 13	91 13	Accelerator pedal sensor Circuit-calibration error
433 Yellow	P102 2	102 2	Chain of air pressure sensor in inlet manifold-incorrect data

FAULT CODE (LAMP)	SID, PID FMI	SPN IMF	DESCRIPTION
434 Yellow	S251 2	627 2	Power loss on the ECU when the ignition key position is on
435 Yellow	P100 2	100 2	Engine oil pressure sensor chain-incorrect data
441 Yellow	P168 1	168 18	Low battery voltage
441 None	P168 1	168 1	Low battery voltage
442 Yellow	P168 0	168 16	High battery voltage
442 Yellow	P168 0	168 0	High battery voltage
443 Yellow	S221 4	1043 4	Power supply chain of accelerator pedal position-chain break
444 Yellow	S232 1	620 18	Low voltage on the voltage supply line of consumer sensors
446* None		N/A	GSP Connection Error
447* None		N/A	RPC Number not supported
448* None		N/A	RPC argument mismatch
449 Yellow	P094 0	94 16	High Fuel pressure
451 Yellow	P157 3	157 3	Circuit Sensor № 1 dosing fuel in the fuel line-short circuit
451 Red	P157 3	157 3	Circuit Sensor № 1 dosing fuel in the fuel line-short circuit
452 Yellow	P157 4	157 4	№ sensor chain 1 dosing of fuel in the fuel line-breakage of the chain
452 Red	P157 4	157 4	№ sensor chain 1 dosing of fuel in the fuel line-breakage of the chain
455 Red	S018 3	633 3	Fuel dosage valve chain-short circuit
466 Yellow	S032 4	1188 4	Boost pressure regulator circuit-chain breakage
467 Yellow	S020 2	635 2	Chain Actuator Injection angle-incorrect data
468 Yellow	S018 2	633 2	Chain Actuator Fuel-incorrect data
471 Maint.	P098 1	98 1	Low oil level in the engine-maintenance required
472 Maint.	P017 2	1380 2	Low oil level in the engine (Sensor № 2)- Maintenance required
473 Yellow	P017 2	1380 2	Low oil level in the engine (Sensor № 2)-Attention!
479* None		1318 9	Exhaust temperature imbalance by engine series
482 Yellow	P094 1	94 18	Low fuel pressure-attention!
483 Yellow	P129 3	1349 3	Sensor Circuit № 2 dosing of fuel in the fuel line-short circuit
484 Yellow	P129 4	1349 4	Sensor Circuit № 2 dosing of fuel in the fuel line-breakage of the chain
485 Yellow	P129 0	1349 16	Sensor № 2 dosing of fuel in the fuel line-high pressure
486 Yellow	P129 1	1349 18	Sensor № 2 dosing of fuel in the fuel line-low pressure
487 Yellow	S237 1	626 1	Air injection installation-empty capacity
488 Yellow	P105 0	105 16	High air temperature in inlet manifold
489 Yellow	P191 1	191 18	Transmission output shaft (rowing shaft)-Low speed
489 Yellow	P191 1	191 1	Transmission output shaft (rowing shaft)-Low speed
493	S018 13	1076 13	Fuel correction chain-Failed
496 Yellow	S221 11	1043 11	Power supply circuit of the speed sensor/piston engine position-failure
497 Yellow	S114 2	1377 2	The circuit of the switch of activation of Multimotor synchronization-incorrect data
514 Red	S018 7	633 7	Fuel injection control valve-mechanical seizing
515 Yellow	P091 3	91 3	Circuit of the accelerator pedal position frequency sensor-short circuit
516 Yellow	P091 4	91 4	Circuit of the accelerator pedal position frequency sensor-chain break
517 Yellow	S251 12	1076 12	Fuel metering solenoid-faulty device
524 Yellow	P113 2	113 2	Adjusting slope selector Switch-incorrect data
527 Yellow	P154 3	702 3	Programmable output Circuit № 2-short circuit
527 Yellow	S040 3	702 3	Programmable output Circuit № 2-short circuit
528 Yellow	P093 2	93 2	Alternate torque curve Selector-incorrect data
529 Yellow	S051 3	703 3	Programmable output Circuit № 3-short circuit
539 Yellow	S018 11	633 11	Fuel injection Control Valve-failure
546 Yellow	P094 3	94 3	Fuel supply valve chain-short circuit
547 Yellow	P094 4	94 4	Fuel supply valve chain-chain breakage
551 Yellow	S230 4	558 4	Accelerator pedal sensor circuit-chain break
551 Red	P091 4	91 4	Accelerator pedal sensor circuit-chain break
553 Yellow	P157 0	157 16	High pressure in the fuel line (pressure sensor № 1)
553 Red	P157 0	157 16	High pressure in the fuel line (pressure sensor № 1)
554 Yellow	P157 2	157 2	Fuel Pressure sensor failure
555 Yellow	P022 0	1264 16	Breakthrough gases in the crankcase engine
555 White	P022 0	1264 0	Breakthrough gases in the crankcase engine
581 Yellow	P015 3	1381 3	Fuel supply pressure sensor circuit-short circuit
582 Yellow	P015 4	1381 4	Fuel supply pressure sensor chain-chain breakage
583 Yellow	P015 1	1381 18	Low pressure in the fuel supply line
595 Yellow	P103 0	103 16	High Speed turbocharger shaft
596 Yellow	P167 0	167 16	High level of charge from the generator
597 Yellow	P167 1	167 18	Low charge level with generator
598 Red	P167 1	167 1	Dangerous low charge level with generator
599 Red	S025 14	640 14	Engine shutdown via programmable output
611 None	S151 11	1383 31	Engine stop-overheating
611 None	S151 14	1383 31	Engine stop-overheating
612* Red		99 1	High resistance in the oil filter
616* None		1173 16	High temperature at the inlet of the turbocharger (right row of cylinders)
617* None		1172 0	High temperature at the inlet of the turbocharger (left row of cylinders)
621* Yellow		1137 18	Low Power cylinder № 1 (left row of cylinders)
622* Yellow		1138 18	Low Power cylinder № 2 (left row of cylinders)
623* Yellow		1139 18	Low power of the cylinder № 3 (left row of cylinders)
624* Yellow		1140 18	Low power of the cylinder № 4 (left row of cylinders)
625* Yellow		1141 18	Low Power cylinder № 5 (left row of cylinders)
626* Yellow		1142 18	Low Power cylinder № 6 (left row of cylinders)
627* Yellow		1143 18	Low power of the cylinder № 7 (left row of cylinders)
628* Yellow		1144 18	Low Power cylinder № 8 (left row of cylinders)
631* Yellow		1143 45	Low Power cylinder № 1 (right row of cylinders)
631* Yellow		1329 1	Low Power cylinder № 1 (right row of cylinders)
632* Yellow		1144 45	Low power of the cylinder № 2 (right row of cylinders)
632* Yellow		1329 1	Low power of the cylinder № 2 (right row of cylinders)
633* Yellow		1145 45	Low power of the cylinder № 3 (right row of cylinders)
633* Yellow		1329 1	Low power of the cylinder № 3 (right row of cylinders)
634* Yellow		1146 45	Low power of the cylinder № 4 (right row of cylinders)
634* Yellow		1329 1	Low power of the cylinder № 4 (right row of cylinders)
635* Yellow		1147 45	Low Power cylinder № 5 (right row of cylinders)
635* Yellow		1329 1	Low Power cylinder № 5 (right row of cylinders)
636* Yellow		1148 45	Low power of the cylinder № 6 (right row of cylinders)
636* Yellow		1329 1	Low power of the cylinder № 6 (right row of cylinders)
637* Yellow		1151 18	Low power of the cylinder № 7 (right row of cylinders)
638* Yellow		1152 18	Low Power cylinder № 8 (right row of cylinders)
641* Red		1137 0	High temperature of exhaust gas cylinder № 1 (left row of cylinders)
642* Red		1138 0	High temperature of exhaust gas cylinder № 2 (left row of cylinders)
643* Red		1139 0	High temperature of exhaust gas cylinder № 3 (left row of cylinders)
644* Red		1140 0	High temperature of exhaust gas cylinder № 4 (left row of cylinders)
645* Red		1141 0	High temperature of exhaust gas cylinder № 5 (left row of cylinders)
646* Red		1142 0	High temperature exhaust Gas cylinder № 6 (left row of cylinders)
647* Red		1143 0	High temperature of exhaust gas cylinder № 7 (left row of cylinders)
648* Red		1144 0	High temperature of exhaust gas cylinder № 8 (left row of cylinders)
649 None	S115 0	1378 0	Oil and oil filter need to be replaced
651* Red		1143 30, 45	High temperature of exhaust gas cylinder № 1 (right row of cylinders)

FAULT CODE (LAMP)	SID, PID FMI	SPN IMF	DESCRIPTION
652* Red		1144 30, 45	High temperature of exhaust gas cylinder № 2 (right row of cylinders)
653* Red		1145 30, 45	High temperature of exhaust gas cylinder № 3 (right row of cylinders)
654* Red		1146 30, 45	High temperature of exhaust gas cylinder № 4 (right row of cylinders)
655* Red		1147 30, 45	High temperature of exhaust gas cylinder № 5 (right row of cylinders)
656* Red		1148 30, 45	High temperature exhaust Gas cylinder № 6 (right row of cylinders)
657* Red		1150 0	High temperature of exhaust gas cylinder № 7 (right row of cylinders)
658* Red		1151 0	High temperature of exhaust gas cylinder № 8 (right row of cylinders)
659* None			Fuel Filter Replacement Required
661* Yellow		1137 16	Inflated cylinder power № 1 (left row of cylinders)
661* Yellow		1323 0	Inflated cylinder power № 1 (left row of cylinders)
662* Yellow		1138 16	Overpowered cylinder № 2 (left row of cylinders)
662* Yellow		1324 0	Overpowered cylinder № 2 (left row of cylinders)
663* Yellow		1139 16	Overpowered cylinder № 3 (left row of cylinders)
663* Yellow		1325 0	Overpowered cylinder № 3 (left row of cylinders)
664* Yellow		1140 16	Inflated cylinder capacity of № 4 (left row of cylinders)
664* Yellow		1326 0	Inflated cylinder capacity of № 4 (left row of cylinders)
665* Yellow		1141 16	Inflated cylinder capacity of № 5 (left row of cylinders)
665* Yellow		1327 0	Inflated cylinder capacity of № 5 (left row of cylinders)
666* Yellow		1142 16	Inflated cylinder capacity of № 6 (left row of cylinders)
666* Yellow		1328 0	Inflated cylinder capacity of № 6 (left row of cylinders)
667* Yellow		1143 16	Overpowered cylinder № 7 (left row of cylinders)
668* Yellow		1144 16	Overpowered cylinder № 8 (left row of cylinders)
669* None			Need to replace the coolant filter
671* None		1137 4	Loss of signal from the temperature sensor of the exhaust gas cylinder № 1 (left row of cylinders)
672* None		1138 4	Loss of signal from the temperature sensor of the exhaust gas cylinder № 2 (left row of cylinders)
673* None		1139 4	Loss of signal from the temperature sensor of the exhaust gas cylinder № 3 (left row of cylinders)
674* None		1140 4	Loss of signal from the temperature sensor of the exhaust gas cylinder № 4 (left row of cylinders)
675* None		1141 4	Loss of signal from the temperature sensor of the exhaust gas cylinder № 5 (left row of cylinders)
676* None		1142 4	Loss of signal from the temperature sensor of the exhaust gas cylinder № 6 (left row of cylinders)
677* None		1143 4	Loss of signal from the temperature sensor of the exhaust gas cylinder № 7 (left row of cylinders)
678* None		1144 4	Loss of signal from the temperature sensor of the exhaust gas cylinder № 8 (left row of cylinders)
679* None			Coolant replacement Required
691* None		1172 3	Circuit of the air temperature sensor at the entrance to the turbocharger-short circuit (left row of cylinders, first stage)
692* None		1172 4	Circuit of the air temperature sensor at the entrance to the turbocharger-breakage of the chain (left row of cylinders, second stage)
694* None		1173 3	Circuit of the air temperature sensor at the entrance to the turbocharger-short circuit (right row of cylinders, first stage)
695* None		1174 4	Circuit of the air temperature sensor at the entrance to the turbocharger-breakage of the chain (right row of cylinders, second stage)
711* None		1143 -45 1145 (60) 16	High power in 1m cylinder (right row of cylinders)
711* None		1329 0	High power in 1m cylinder (right row of cylinders)
712* None		1144 (45) 1146 (60) 16	High power in 2m cylinder (right row of cylinders)
712* None		1330 0	High power in 2m cylinder (right row of cylinders)
713* None		1331 0	High power in 3m cylinder (right row of cylinders)
714* None		1146 (45) 1148 60) 16	High power in the 4m cylinder (right row of cylinders)
714* Yellow		1332 0	High power in the 4m cylinder (right row of cylinders)
715* Yellow		1147 (45) 1148 (60) 16	High power in 5m cylinder (right row of cylinders)
715* Yellow		1333 0	High power in 5m cylinder (right row of cylinders)
716* None		1148 (45) 1149 (60) 16	High power in 6m cylinder (right row of cylinders)
716* Yellow		1334 0	High power in 6m cylinder (right row of cylinders)
717* Yellow		1150 0	High power in 7m cylinder (right row of cylinders)
718* Yellow		1151 0	High power in the 8m cylinder (right row of cylinders)
719 Yellow	P022 3	1264 3	Crankcase pressure sensor chain-short circuit
721* None		1143 (30,45) 1145 (60) 4	Loss of signal from the temperature sensor of the exhaust gas cylinder № 1 (right row of cylinders)
722* None		1144 (30,45) 1146 (60) 4	Loss of signal from the temperature sensor of the exhaust gas cylinder № 2 (right row of cylinders)
723* None		1145 (30,45) 1147 (60) 4	Loss of signal from the temperature sensor of the exhaust gas cylinder № 3 (right row of cylinders)
724* None		1146(30,45) 1148(60) 4	Loss of signal from the temperature sensor of the exhaust gas cylinder № 4 (right row of cylinders)
725* None		1147(30,45) 1149(60) 4	Loss of signal from the temperature sensor of the exhaust gas cylinder № 5 (right row of cylinders)
726* None		1148(30,45) 1150(60) 4	Loss of signal from the temperature sensor of the exhaust gas cylinder № 6 (right row of cylinders)
727* None		1151 4	Loss of signal from the temperature sensor of the exhaust gas cylinder № 7 (right row of cylinders)
728* None		1152 4	Loss of signal from the temperature sensor of the exhaust gas cylinder № 8 (right row of cylinders)
729 Yellow	P022 4	1264 4	Chain of pressure sensor of crankcase gases-chain breakage
747* None			Engine parameters fixation system-free memory running out
748* None			System of fixation of engine parameters-memory is over
749* None			Engine parameters Recording system at the moment of error occurrence-free memory at the same time
753 None	S064 2	723 2
754* None			Engine parameters Recording system at the moment of error occurrence-free memory is over
755 Yellow	P157 7	157 7	Incorrect amount of fuel in the nozzle in the One of the first three cylinders.
756* None			Oil filters need to be replaced.
757* None			Critical power loss. Loss of data in the engine control unit.
758 Yellow	P129 7	1349 7	Incorrect amount of fuel in the nozzle in one of the cylinders from the 4th to the 6th.
768 Yellow	S009 11	923 11	Signal error from external device (turbocharger Variable geometry or transmission)
777 Yellow	P173 0	1180 0	Increased temperature at the inlet of turbocharger turbine № 1-Warning
779 Yellow	S051 11	703 11	Exceeding the limit value of the parameter of the customer’s equipment at the outlet № 3
783 Red			Frisky increase in temperature in inlet manifold (front manifold left row of cylinders)
951 None	P166 2	166 2	Power imbalance in cylinders
1000 None			The hardware controller has initiated the recording of fault codes
2144*	0	1153 0	High temperature of exhaust gas cylinder № 9 (left row of cylinders)
2145*		1154 0	High temperature of the exhaust gas cylinder № 9 (right row of cylinders)
2146*	4	1153 4	Loss of signal from temperature sensor Graduates Gas cylinder № 9 (right row of cylinders)
2147*	4	1154 4	Loss of signal from temperature sensor Graduates Gas cylinder № 9 (left row of cylinders)
2148*	0	1340 16	High power in 9m cylinder (left row of cylinders)
2149*		1341 16	High power in 9m cylinder (right row of cylinders)
2151*		1340 18	Low power in 9m cylinder (left row of cylinders)
2152*		1341 18	Low power in 9m cylinder (right row of cylinders)
2154* None		611 3	Oil pressure sensor chain after oil filter-short circuit.
2155* None		611 4	The chain of the oil pressure sensor after the oil filter is a breakage of the chain.
2157* Red			Sharp rise in temperature in the inlet manifold (rear manifold of the left row of cylinders)
2158* Red			Sharp rise in temperature in the inlet manifold (front manifold right row of cylinders)
2159* Red			A sharp rise in the temperature in the inlet manifold (rear Collector Right Series Cylinders)
2194* Yellow	P223 11	1387 11	Output of the pressure value of the equipment of the customer at the output № 2 beyond the permissible limits, protection operation-warning
2195* Red	S051 14	703 14	Exceeding the limit value of the parameter of the customer’s equipment at the output № 3, protection operation, critical value
2241*			The air temperature in the inlet manifold is too high (the middle collector is the left row of cylinders)
2242*			Circuit of the air temperature sensor in the inlet manifold-short circuit (middle collector left row of cylinders)
2243*			Circuit of the air temperature sensor in the inlet manifold-breakage of the chain (middle collector left row of cylinders)
2244*			Sharp rise in temperature in the inlet manifold (middle collector left row of cylinders)
2245*			The air temperature in the inlet manifold is too high (the middle manifold is the right row of cylinders)
2246*			Air temperature sensor circuit in inlet manifold-short circuit (medium Collector Right Series Cylinders)
2247*			Circuit of the air temperature sensor in the inlet manifold-breakage of the chain (middle manifold right row of cylinders)
2248*			Sharp rise in temperature in the inlet manifold (middle manifold right row of cylinders)
2251*			High pressurization pressure in the front intermediate cooler
2252*			Low boost pressure in the front intermediate cooler
2253*			pressurization pressure sensor circuit in the front intermediate cooler-short circuit

FAULT CODE (LAMP)	SID, PID FMI	SPN IMF	DESCRIPTION
2254*			Pressurized pressure sensor circuit in the front intermediate cooler-chain breakage
2255*			High pressurization pressure in the rear intermediate cooler
2256*			Low boost pressure in the rear intermediate cooler
2257*			Boost pressure sensor circuit in rear intermediate cooler-short circuit
2258*			The circuit of the pressurization pressure sensor in the rear Intermediate cooler-breakage of the chain

Cummins Engine Fault Codes list

Cummins Fault Codes list for QSB, QSC, QSL9, QSM11, QSX15, QSK19, QSK23, QST30, QSK45, QSK60, QSK78 engines

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Cummins Engine Fault Codes list

Cummins Fault Codes list for QSB, QSC, QSL9, QSM11, QSX15, QSK19, QSK23, QST30, QSK45, QSK60, QSK78 engines

Latest Posts

Jaguar X-Type 2001 On Board Diagnostics

Mitsubishi FUSO Bus Fault Codes List

Mitsubishi Forklifts Error and Fault Codes list

Mitsubishi Fuso Fighter 6M60 Engine Fault Codes list (DTCs)

Mitsubishi Forklift Trucks Fault Codes

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OBD-II Diagnostic Trouble Codes (DTC) Database

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